Information about the Great Wall

The Great Wall is an ancient defense project with the longest construction time and the largest engineering quantity in China and even in the world. Since the 7th and 8th centuries BC, it has been built continuously for more than 2,000 years, with a total length of more than 50,000 kilometers, which is called "more than 2,000 years up and down and more than 100,000 miles across".

Such a huge project is unique not only in China, but also in the world, so it was listed as one of the seven wonders of the Middle Ages along with the Colosseum and the Leaning Tower of Pisa hundreds of years ago.

Architectural history:

The history of building the Great Wall can be traced back to the Western Zhou Dynasty in the 9th century BC, when it was to defend against the attack of nomadic people in the north. Once built a continuous arrangement of castles "Fierce City" as a defense.

In the 7th and 8th centuries BC, during the Spring and Autumn Period and the Warring States Period, in order to compete for hegemony and defend each other, governors of various countries built the Great Wall on their borders according to their own defense needs. The Great Wall of Chu was first built in the 7th century BC, and then the vassal states of Qi, Han, Wei, Zhao, Yan, Qin and Zhongshan successively built the Great Wall for defense.

Extended data:

Cultural value:

1, the Great Wall, as a historical site, places hydrology in China. The Great Wall of Wan Li contains the splendid culture and art of the Chinese nation for more than 2,000 years, and its connotation is very rich. In addition to the architectural layout, modeling, sculpture and painting of city walls, Guancheng, Zhencheng and beacon towers, there are also poems, folk literature and opera rap.

2. Throughout the ages, I don't know how many emperors, generals, foot soldiers and poets have left immortal chapters for the Great Wall. Frontier poems have become an important school in classical literature. For example, Li Bai's "The wind travels a thousand miles, knocking at the battlements of Jade Pass", Wang Changling's "The bright moon in the Qin Dynasty was closed in the Han Dynasty, and the Long March people did not return", and Wang Wei's "Advise you to have a glass of wine and go out of Yangguan for no reason".

References:

People's Network-World Cultural Heritage: The Great Wall